Search tips
Showing 92 results View by: Thread Post Sort by

  • TPA3221: TPA3221 PBTL the sound is low.

    Part Number: TPA3221 Dear, Do you mind help me to solve this problem? The appendix is the schematic diagram. At present, when customers are using TPA3221, the gain of both the master mode and the slave mode is set to 26db, the master mode is PBTL, and…
    • Answered

  • TPA3221: TPA3221-Out Cap Issue

    Resolved
    Part Number: TPA3221 The terminal customer of Guangwo feedback the following problems when using TPA3321: 1. When the output of 4PCS bootstrap capacitor C5/C6/C30/C31 value is 333, the test finds that when the sound is turned to the maximum and ,TPA3221…
    • Resolved
    • Answered

  • TPA3221: Pin Connection Issues

    Resolved
    Part Number: TPA3221 Hello all, The customer use the device TPA3221, and it care about low distortion，now I have a question about the Pin Connection Issues, 1. Is OTW-CLIP，FAULT and RESET can connect it together？2. the two chips, one is to be master and other…
    • Resolved

  • TPA3221: Output cap under 30V VDD

    TI Thinks Resolved
    Part Number: TPA3221 Hi team, For TPA3221, with 30V VDD voltage, does it OK for customer to use 100V ceramic cap? What's our recommended cap under 30V VDD? Thanks and Best Regards, Will

  • TPA3221: Need help about Audio amplifier system failure

    Part Number: TPA3221 Hello I'm designing an audio public address system, where I use TPA3221 for amplifiers. I attached my design below. At the output of the amplifier (Port OUT1+ / OUT1-), I connect to a matched audio transformer (this model: https:…
    • Answered

  • TPA3221: HEAD modulation output waveform

    Resolved
    Part Number: TPA3221 Hi My customer are using HEAD modulation. They use AP to measure the THD+N is 0.1%. However when they use Scope to probe the output to ground waveform they saw a distortion waveform as below When change to AD modulation, they distortion…
    • Resolved

  • TPA3221: SPICE model available

    TI Thinks Resolved
    Part Number: TPA3221 Hello Team, My customer is looking for the SPICE model for TPA3221 or any related device with SPICE model available. Regards, Renan
    • Answered

  • TPA3221: Can you help recommend the inductor value for 2 ohm PBTL, 8 ohm BTL and PBTL ?

    Resolved
    Part Number: TPA3221 Hi Can you help recommend the inductor value for 2 ohm PBTL, 8 ohm BTL and PBTL ? thanks!
    • Resolved

  • TPA3221: Startup issue

    TI Thinks Resolved
    Part Number: TPA3221 Hi TI support team, we found an issue that TPA3221 cannot start up without PWM output. Schematics below Summary of the test We connected IN1_M and 1N2_M in the circuit and used a common cap, does it impact the performance of the…

  • TPA3221: Startup timing in the datasheet

    TI Thinks Resolved
    Part Number: TPA3221 Hi Support team, We found the startup timing diagram of the AVDD and FAULT signal are not correct. The statement mentioned that the FAULT way stays low until the AVDD reached the UVP, And at the reset is low, the AVDD should be disabled…

Didn't find what you are looking for? Post a new question.